[vtkusers] Error using vtkOpenGLGPUVolumeRayCastMapper on OS X

[David Warren]

OK — I will contact the Anaconda folks about this.  Best,

Dave

On Thu, Mar 24, 2016 at 1:45 PM, Aashish Chaudhary <
aashish.chaudhary at kitware.com> wrote:

> Not that I am aware of. You would have to compile VTK master with OpenGL2
> backend.
>
> On Thu, Mar 24, 2016 at 2:39 PM, David Warren <
> davideugenewarren+vtk at gmail.com> wrote:
>
>> Hi Aashish,
>>
>>      Thanks for the quick reply!  Is there a way to check whether the VTK
>> python module that we've got access to uses the OpenGL1 backend by default,
>> and if so, is there a way to switch over to the OpenGL2 backend?  Best,
>>
>> Dave
>>
>> On Thu, Mar 24, 2016 at 1:16 PM, Aashish Chaudhary <
>> aashish.chaudhary at kitware.com> wrote:
>>
>>> Hi David,
>>>
>>> It sounds like you are using OpenGL1 backed. I would suggest using
>>> OpenGL2 backend which works on most of the Mac systems.
>>>
>>> Thanks,
>>>
>>>
>>> On Thu, Mar 24, 2016 at 1:46 PM, David Warren <
>>> davideugenewarren+vtk at gmail.com> wrote:
>>>
>>>> Hi all,
>>>>
>>>>      I'm writing a set of scripts that render neuroimaing data using
>>>> VTK.  On Windows and Linux everything is working well, but a friend who is
>>>> using OS X reports the following error:
>>>>
>>>> ERROR: In
>>>> /Users/ilan/minonda/conda-bld/work/VTK-6.3.0/Rendering/VolumeOpenGL/vtkOpenGLGPUVolumeRayCastMapper.cxx,
>>>> line 4040
>>>> vtkOpenGLGPUVolumeRayCastMapper (0x103b90000): Rendering failed because
>>>> the following OpenGL extensions are required but not supported:  Disabled
>>>> on Apple OS X Snow Leopard with nVidia.
>>>>
>>>>      He reports that his hardware is AMD (Radeon HD 6970M 1024 MB) and
>>>> that he is running OS X 10.10.5 Yosemite.  We're all using the Anaconda
>>>> Python distribution (v2.5.0) and the VTK module that they supply (which is
>>>> v6.3.0).
>>>>
>>>>      Any thoughts?  Many thanks,
>>>>
>>>> Dave
>>>>
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>>>
>>>
>>> --
>>>
>>>
>>>
>>> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.
>>>   *
>>> *| http://www.kitware.com/company/team/chaudhary.html
>>> <http://www.kitware.com/company/team/chaudhary.html>*
>>>
>>
>>
>
>
> --
>
>
>
> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
> *| http://www.kitware.com/company/team/chaudhary.html
> <http://www.kitware.com/company/team/chaudhary.html>*
>
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